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path: root/drivers/scsi/lpfc/lpfc_sli.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c103
1 files changed, 47 insertions, 56 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index b53ed3abc6c..508710001ed 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -65,6 +65,16 @@ typedef enum _lpfc_iocb_type {
LPFC_ABORT_IOCB
} lpfc_iocb_type;
+struct lpfc_iocbq *
+lpfc_sli_get_iocbq(struct lpfc_hba * phba)
+{
+ struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
+ struct lpfc_iocbq * iocbq = NULL;
+
+ list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list);
+ return iocbq;
+}
+
void
lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocbq)
{
@@ -1055,7 +1065,6 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
struct lpfc_iocbq *next_iocb;
struct lpfc_iocbq *cmdiocbp;
struct lpfc_iocbq *saveq;
- struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
struct lpfc_pgp *pgp = &phba->slim2p->mbx.us.s2.port[pring->ringno];
uint8_t iocb_cmd_type;
lpfc_iocb_type type;
@@ -1097,7 +1106,6 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
}
rmb();
- lpfc_iocb_list = &phba->lpfc_iocb_list;
while (pring->rspidx != portRspPut) {
/*
* Build a completion list and call the appropriate handler.
@@ -1113,8 +1121,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba * phba,
* received.
*/
entry = IOCB_ENTRY(pring->rspringaddr, pring->rspidx);
- list_remove_head(lpfc_iocb_list, rspiocbp, struct lpfc_iocbq,
- list);
+ rspiocbp = lpfc_sli_get_iocbq(phba);
if (rspiocbp == NULL) {
printk(KERN_ERR "%s: out of buffers! Failing "
"completion.\n", __FUNCTION__);
@@ -2407,13 +2414,12 @@ lpfc_sli_issue_abort_iotag32(struct lpfc_hba * phba,
struct lpfc_sli_ring * pring,
struct lpfc_iocbq * cmdiocb)
{
- struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
- struct lpfc_iocbq *abtsiocbp = NULL;
+ struct lpfc_iocbq *abtsiocbp;
IOCB_t *icmd = NULL;
IOCB_t *iabt = NULL;
/* issue ABTS for this IOCB based on iotag */
- list_remove_head(lpfc_iocb_list, abtsiocbp, struct lpfc_iocbq, list);
+ abtsiocbp = lpfc_sli_get_iocbq(phba);
if (abtsiocbp == NULL)
return 0;
@@ -2454,28 +2460,37 @@ lpfc_sli_issue_abort_iotag32(struct lpfc_hba * phba,
}
static int
-lpfc_sli_validate_iocb_cmd(struct lpfc_scsi_buf *lpfc_cmd, uint16_t tgt_id,
- uint64_t lun_id, struct lpfc_iocbq *iocb,
- uint32_t ctx, lpfc_ctx_cmd ctx_cmd)
+lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, uint16_t tgt_id,
+ uint64_t lun_id, uint32_t ctx,
+ lpfc_ctx_cmd ctx_cmd)
{
+ struct lpfc_scsi_buf *lpfc_cmd;
+ struct scsi_cmnd *cmnd;
int rc = 1;
- if (lpfc_cmd == NULL)
+ if (!(iocbq->iocb_flag & LPFC_IO_FCP))
+ return rc;
+
+ lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
+ cmnd = lpfc_cmd->pCmd;
+
+ if (cmnd == NULL)
return rc;
switch (ctx_cmd) {
case LPFC_CTX_LUN:
- if ((lpfc_cmd->pCmd->device->id == tgt_id) &&
- (lpfc_cmd->pCmd->device->lun == lun_id))
+ if ((cmnd->device->id == tgt_id) &&
+ (cmnd->device->lun == lun_id))
rc = 0;
break;
case LPFC_CTX_TGT:
- if (lpfc_cmd->pCmd->device->id == tgt_id)
+ if (cmnd->device->id == tgt_id)
rc = 0;
break;
case LPFC_CTX_CTX:
- if (iocb->iocb.ulpContext == ctx)
+ if (iocbq->iocb.ulpContext == ctx)
rc = 0;
+ break;
case LPFC_CTX_HOST:
rc = 0;
break;
@@ -2492,30 +2507,17 @@ int
lpfc_sli_sum_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd)
{
- struct lpfc_iocbq *iocb, *next_iocb;
- IOCB_t *cmd = NULL;
- struct lpfc_scsi_buf *lpfc_cmd;
- int sum = 0, ret_val = 0;
+ struct lpfc_iocbq *iocbq;
+ int sum, i;
- /* Next check the txcmplq */
- list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
- cmd = &iocb->iocb;
-
- /* Must be a FCP command */
- if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) {
- continue;
- }
+ for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) {
+ iocbq = phba->sli.iocbq_lookup[i];
- /* context1 MUST be a struct lpfc_scsi_buf */
- lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1);
- ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id,
- NULL, 0, ctx_cmd);
- if (ret_val != 0)
- continue;
- sum++;
+ if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id,
+ 0, ctx_cmd) == 0)
+ sum++;
}
+
return sum;
}
@@ -2534,38 +2536,27 @@ lpfc_sli_abort_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
uint16_t tgt_id, uint64_t lun_id, uint32_t ctx,
lpfc_ctx_cmd abort_cmd)
{
- struct lpfc_iocbq *iocb, *next_iocb;
- struct lpfc_iocbq *abtsiocb = NULL;
- struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
+ struct lpfc_iocbq *iocbq;
+ struct lpfc_iocbq *abtsiocb;
IOCB_t *cmd = NULL;
- struct lpfc_scsi_buf *lpfc_cmd;
int errcnt = 0, ret_val = 0;
+ int i;
- list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
- cmd = &iocb->iocb;
-
- /* Must be a FCP command */
- if ((cmd->ulpCommand != CMD_FCP_ICMND64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IWRITE64_CR) &&
- (cmd->ulpCommand != CMD_FCP_IREAD64_CR)) {
- continue;
- }
+ for (i = 1; i <= phba->sli.last_iotag; i++) {
+ iocbq = phba->sli.iocbq_lookup[i];
- /* context1 MUST be a struct lpfc_scsi_buf */
- lpfc_cmd = (struct lpfc_scsi_buf *) (iocb->context1);
- ret_val = lpfc_sli_validate_iocb_cmd(lpfc_cmd, tgt_id, lun_id,
- iocb, ctx, abort_cmd);
- if (ret_val != 0)
+ if (lpfc_sli_validate_fcp_iocb (iocbq, tgt_id, lun_id,
+ 0, abort_cmd) != 0)
continue;
/* issue ABTS for this IOCB based on iotag */
- list_remove_head(lpfc_iocb_list, abtsiocb, struct lpfc_iocbq,
- list);
+ abtsiocb = lpfc_sli_get_iocbq(phba);
if (abtsiocb == NULL) {
errcnt++;
continue;
}
+ cmd = &iocbq->iocb;
abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS;
abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext;
abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag;
generated by cgit (git 2.34.1) at 2024-09-21 23:17:30 +0000